问题描述：
[单选]
The piston supporting body is mainly subjected to（）stress．
A．pushing
B．centrifugal
C．stretch
D．compressive
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：The plunger in the fuel injector pump， usually operated by a（）， is driven up and down when working．
下一篇：The piston rings if found worn out（）and supplied by shipchandler．
- 我要回答: 网友(216.73.216.61)
- 热门题目: 1.活塞杆填料函的泄放管是与（） 2.组装活塞杆填料函中的刮油环和 3.活塞杆填料函安装在气缸底板中